Innovative Structural Steel Systems Brochure - 5

Floor Systems

COMSLAB® is a long span and shallow composite floor system that helps structural
steel compete with low floor-to-floor concrete designs. With depths as low as 10½
in., it can be combined with various proprietary flush beams or conventional AISC
sections hidden in the floor section COMSLAB® is a lightweight assembly that has
UL listed UNRESTRAINED ratings of 1, 2 and 3 hours for spans of more than 30 ft. It
is ideal for all elevated concrete slab construction such as hotels, schools, parking,
office, multi-residential and medical buildings.
www.comslab-usa.com

The Ecospan® Composite Floor System is an efficient and environmentally friendly steel floor system using open-web steel joists and steel deck with a concrete
topping slab. The integral component of this system is the Shearflex® HD screw,
which bonds the concrete slab to the top chord of the steel joist. The Shearflex HD
screw is a self drilling, self-tapping fastener that is attached with a Shearset® tool
(provided ) in a matter of seconds. Since it also serves as the deck attachment, no
additional welding is required.
The system is custom designed to the requirements of each project. A typical
floor with exceptional strength and serviceability will include spans up to 60 ft, with
joists spaced at 4 ft to 6 ft on center. Being a composite floor system, the maximum span-to-depth ratio of the bare joist is L/30, allowing a shallower floor-to-floor
height than traditional floor systems.
Ecospanhas both STC and IIC ratings that meet or exceed the requirements
of the International Building Code. The system has also undergone UL testing
and has fire ratings up to three hours with multiple assemblies.
www.ecospan-usa.com

Versa-Floor™ featuring Deep-Dek® Composite (DDC) is a floor system capable of
spans up to 40 ft. It integrates deep-ribbed steel profiles with a structural concrete
topping. The deck serves as formwork during construction and strengthens the slab
to support service stage loading. Versa-Floor can be placed on beam or wall bearing
frame system. Deck ends, for example, can be placed on ledger angles attached to
upturned steel beams to help reduce the depth of the beam soffit below the ceiling plane. DDC's 12-in.-wide deck sheets, available in three depths, can be spread
individually on the frame or preassembled into panels on- or off-site. DDC has factory-closed ends so end-closure angles are eliminated. A pneumatic-drive tool forms
the deck side-lap connections, which are critical to achieving composite strength.
Prior to placing concrete, longer deck lengths are line-shored at mid-span, and
unshored designs are obtainable over mid-span lengths. DDC is ICC-ES evaluated for structural conformance with the International Building Code. The system is
noncombustible and UL fire rated and responds predictably to floor vibration. The
authors of AISC's vibration design guide customized our vibration analysis software
based on the results of extensive field and laboratory testing.
www.versafloor.com

AISC Innovative Structural Steel Systems

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Innovative Structural Steel Systems Brochure

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